WGU C170 - Data Management - Applications STUDY NOTES
Domain In data modeling, the construct used to organize and describe an attribute's set of possible values. Primary key (PK) An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. Key One or more attributes that determine other attributes. Determination The role of a key. In the context of a database table, the statement "A determines B" indicates that knowing the value of attribute A means that the value of attribute B can be looked up. Determinant
Written for
- Institution
- WGU C170 - DATA MANAGEMENT APPLICATIONS
- Course
- WGU C170 - DATA MANAGEMENT APPLICATIONS
Document information
- Uploaded on
- February 10, 2024
- Number of pages
- 22
- Written in
- 2023/2024
- Type
- Exam (elaborations)
- Contains
- Questions & answers
Subjects
- data modeling
-
wgu c170 data management applications
-
the context of a database table
Also available in package deal